package com.erp.framework.service.impl;


import com.erp.framework.core.domain.Ztree;
import com.erp.framework.core.text.Convert;
import com.erp.framework.domain.SysDictData;
import com.erp.framework.domain.SysDictType;
import com.erp.framework.exception.BusinessException;
import com.erp.framework.mapper.SysDictDataMapper;
import com.erp.framework.mapper.SysDictTypeMapper;
import com.erp.framework.service.ISysDictTypeService;
import com.erp.framework.util.DictUtils;
import com.erp.framework.util.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;

/**
 * 字典 业务层处理
 *
 * @author erp
 */
@Service
public class SysDictTypeServiceImpl implements ISysDictTypeService {

    @Autowired
    private SysDictTypeMapper dictTypeMapper;

    @Autowired
    private SysDictDataMapper dictDataMapper;

    /**
     * 项目启动时，初始化字典到缓存
     */
    @PostConstruct
    public void init() {
        List<SysDictType> dictTypeList = list(new SysDictType());
        for (SysDictType dictType : dictTypeList) {
            SysDictData param = new SysDictData();
            param.setDictType(dictType.getDictType());
            List<SysDictData> dictDatas = dictDataMapper.list(param);
            DictUtils.setDictCache(dictType.getDictType(), dictDatas);
        }
    }


    /**
     * 根据字典类型查询字典数据
     *
     * @param dictType 字典类型
     * @return 字典数据集合信息
     */
    @Override
    public List<SysDictData> selectDictDataByType(String dictType) {
        List<SysDictData> dictDatas = DictUtils.getDictCache(dictType);
        if (StringUtils.isNotEmpty(dictDatas)) {
            return dictDatas;
        }
        SysDictData param = new SysDictData();
        param.setDictType(dictType);
        dictDatas = dictDataMapper.list(param);
        if (StringUtils.isNotEmpty(dictDatas)) {
            DictUtils.setDictCache(dictType, dictDatas);
            return dictDatas;
        }
        return null;
    }

    /**
     * 根据字典类型ID查询信息
     *
     * @param dictId 字典类型ID
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeById(String dictId) {
        SysDictType param = new SysDictType();
        param.setId(dictId);
        return list(param).stream().findFirst().orElse(param);
    }

    /**
     * 根据字典类型查询信息
     *
     * @param dictType 字典类型
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeByType(String dictType) {
        SysDictType param = new SysDictType();
        param.setDictType(dictType);
        return list(param).stream().findFirst().orElse(param);
    }

    /**
     * 批量删除字典类型
     *
     * @param ids 需要删除的数据
     * @return 结果
     */
    @Override
    public int deleteDictTypeByIds(String ids) {
        String[] dictIds = Convert.toStrArray(ids);
        for (String dictId : dictIds) {
            SysDictType dictType = selectDictTypeById(dictId);
            if (dictDataMapper.countDictDataByType(dictType.getDictType()) > 0) {
                throw new BusinessException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
            }
        }
        int count = dictTypeMapper.deleteDictTypeByIds(dictIds);
        if (count > 0) {
            DictUtils.clearDictCache();
        }
        return count;
    }

    /**
     * 清空缓存数据
     */
    @Override
    public void clearCache() {
        DictUtils.clearDictCache();
    }

    /**
     * 新增保存字典类型信息
     *
     * @param dictType 字典类型信息
     * @return 结果
     */
    @Override
    public int insert(SysDictType dictType) {
        int row = dictTypeMapper.insert(dictType);
        if (row > 0) {
            DictUtils.clearDictCache();
        }
        return row;
    }

    /**
     * 修改保存字典类型信息
     *
     * @param dictType 字典类型信息
     * @return 结果
     */
    @Override
    @Transactional
    public int update(SysDictType dictType) {
        SysDictType oldDict = selectDictTypeById(dictType.getId());
        dictDataMapper.updateDictDataType(oldDict.getDictType(), dictType.getDictType());
        int row = dictTypeMapper.update(dictType);
        if (row > 0) {
            DictUtils.clearDictCache();
        }
        return row;
    }

    /**
     * 校验字典类型称是否唯一
     *
     * @param dict 字典类型
     * @return 结果
     */
    @Override
    public boolean checkDictTypeUnique(SysDictType dict) {
        SysDictType param = new SysDictType();
        param.setDictType(dict.getDictType());
        List<SysDictType> list = list(param);
        return !list.isEmpty() && list.stream().noneMatch(d -> d.getId().equals(dict.getId()));
    }

    /**
     * 根据条件分页查询字典类型
     *
     * @param dictType 字典类型信息
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> list(SysDictType dictType) {
        return dictTypeMapper.list(dictType);
    }

    /**
     * 查询字典类型树
     *
     * @param dictType 字典类型
     * @return 所有字典类型
     */
    @Override
    public List<Ztree> selectDictTree(SysDictType dictType) {
        List<Ztree> ztrees = new ArrayList<Ztree>();
        List<SysDictType> dictList = list(dictType);
        for (SysDictType dict : dictList) {
            Ztree ztree = new Ztree();
            ztree.setId(dict.getId());
            ztree.setName(transDictName(dict));
            ztree.setTitle(dict.getDictType());
            ztrees.add(ztree);
        }
        return ztrees;
    }

    public String transDictName(SysDictType dictType) {
        return "(" + dictType.getDictName() + ")" +
                "&nbsp;&nbsp;&nbsp;" + dictType.getDictType();
    }
}
